TMA-AIX-4.3.2.7
Ensure multicast routing is not in use
Descripción
The mrouted daemon is an implementation of the multicast routing protocol. Unless a system is specifically set up to act as a network router, it is recommended that the mrouted daemon is disabled to reduce the potential attack surface. Audit: the mrouted start line in /etc/rc.tcpip must be commented out and the mrouted subsystem must not be active.
Cómo se verifica
Método de auditoría: Comando de shell
command -v lssrc >/dev/null 2>&1 || exit 1; [ -r /etc/rc.tcpip ] || exit 1; out=$( { grep -E "^[[:blank:]]*start[[:blank:]]+/usr/(sbin|lib)/mrouted([[:blank:]]|$)" /etc/rc.tcpip; lssrc -s mrouted | awk 'NR>1 && $NF=="active"' ; } 2>/dev/null ); [ -z "$out" ] && echo compliant || printf '%s\n' "$out" | head -n 20- Salida esperada
compliant
Cómo se corrige
Método de corrección: Guía o parche de infraestructura
Run the following script to stop and disable mrouted #!/usr/bin/ksh DAEMONS="mrouted" for l_daemon in $DAEMONS; do /usr/sbin/chrctcp -d $l_daemon /usr/bin/stopsrc -s $l_daemon done NOTE: mrouted is provided by bos.net.tcp.server_core so it is not possible to remove this fileset.
Propiedades
- Sistemas operativos
- Cualquiera
- Etiquetas
- aixnetwork
- Referencia
- CIS IBM AIX 7 Benchmark v1.2.0 - 4.3.2.7 Ensure multicast routing is not in use
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
tmaegis scan --target aix --level 2